How to Swap Your Reality Without Knowing экспресс
According to physicist Hugh Everett, every observation splits the universe into parallel branches. Normally, your memory of the outcome locks you into one branch, like a key keeping a door shut. A new protocol, reality steering, shows you can pick that lock: erase the memory, and the barrier fades, letting you slide into another reality.
But the switch is perfectly invisible. Your new memories will seamlessly match the new branch, so you’d recall events differently and believe they always happened that way. You can never prove you jumped. Still, this turns idle speculation into a serious physics challenge.
Оригинальная аннотация
как её написали авторы, на английском arXiv:2512.14377
Quantum measurement resolves a superposition into a definite outcome by correlating it with an observer's memory -- a reality register. While the global quantum state remains coherent, the observer's local reality becomes singular and definite. This work introduces reality steering, a protocol that allows an observer to probabilistically access a different reality already supported by the initial quantum state, without reversing decoherence on the environment. The mechanism relies on locally erasing the 'which-outcome' information stored in the observer's brain. Here, 'local' means operations confined to the observer's memory, excluding the environment, which may be cosmically large. Reality steering nevertheless faces intrinsic constraints: successful navigation requires coherent participation from the observer's counterparts across the relevant branches, and any transition is operationally indistinguishable from non-transition. After arriving in a new reality, all memory records are perfectly consistent with that reality, leaving no internal evidence that a switch occurred. This makes conscious confirmation impossible within standard quantum mechanics. We show that nonlinear operations beyond the standard theory could, in principle, enable verifiable and deliberate navigation. Our results shift multi-reality exploration from philosophical speculation toward a concrete -- though fundamentally constrained -- quantum-informational framework.
Erasing a single bit of information at room temperature releases at least about 0.0175 electronvolts of heat — a tiny but real link between forgetting and the physical world.
Like the TV series 'Sliders,' where travelers hop between parallel Earths — but here, you’d never remember your original home.